Machine for shaping chain-hooks



(-No Model.)

' B. MOKILLEN.

MACHINE FOR SHAPING CHAIN HOOKS.

tentedJune 2, 1885.

\R i A I INVENTOR:

BY dw w 1- Emma r the same on the line 90 :0,

UNITED STATES BENJAMIN MGKILLEN, OF VERONA, MICHIGAN.

MACHINE FOR SHAPING CHAIN-HOOKS.

SPECIFICATION forming part of Letters Patent; No. 319,290, dated June 2,1885.

' Application filed February '25, 1885.

To all whom it may concern:

Be it known that I, BENJAMIN MCKILLEN, of Verona, in the county of Huronand State of Michigan, have invented a new and Improved Machine forShaping Chain-Hooks, of which the following is'a full, clear, and exactdescription.

The object of my invention is to provide a new and improved machine formaking and shaping chain-hooks of all shapes and sizes.

The invention consists in the combination, with a forked stock, of alever pivoted in the same, and a die held on the forked end of thelever.

The invention further consists in the combination, with the stock-dieand lever, of a die held movably in the stock; and it also con sists inparts and details and combinations of the same, as will be set forthhereinafter.

Reference is to be had to the accompanying drawings,forming part of thisspecification,in which similar letters of reference indicatecorresponding parts in all the figures.

Figure l is a side view of my improved machine adjusted for makingstraight hooks. Fig. 2 is a plan view of the under side of the same..Fig. 3 is a cross-sectionalelevation of Fig. 1. Fig. 4 is a side view ofthe machine adjusted for making round hooks. Fig. 5 is a plan view ofthe stock and bottom die, and Fig. 6 is a view of a straight hook.

The forked stock or standard A is provided with a downward projection orlug, B, adapted to be passed into an aperture in the anvil, to hold thestock in place. The said stock is provided with a series of apertures,0, arranged at different elevations, and serving to receive a pivot orpin, D.

The bottom of the recess E, between the prongs of the stock A, isV-shaped if the hook is to be made of square iron, or semicircular ifthe hook is to be made of round iron, or otherwise shaped, as required.

In one forked end of a lever, F, a die, G, is held by a suitable pin,the end of which die is rounded, and the width of which die is equal tothe distance between the inner edges of the hook to be produced. Forlarger hooks a larger die is required, and for smaller hooks a smallerdie is used.

(No model.)

The dies Gcan easily be removed and replaced by others.

In the edges and end of the die a V-shaped groove, H, is produced formaking hooks from square iron but for hooks made from round iron thegroove is made semicircular. Each die is provided with an aperture, J,through which the pin D is passed.

Two jaws, K, project from the bottom edge of the lever near the die G,and each jaw is provided with a series of apertures, L, near the bottomedge.

The eye M, formed on the end of the bar from which the hook is to beformed, is placed between the jaws, and held in place by a pin passedthrough apertures L and the said eye, the bar resting on the bottom ofthe recess E, and against the bottom grooved edge of the die, andprojecting from the stock, as shown in dotted lines in Fig. 1. The leverF is then swung over in the direction of the arrow a, either by hand orpower, and thus bends the bar around and against the die G, whereby thehook is shaped.

According to the different sizes of the die, the pins for holding theleverF and for holding the eye of the hook are adjusted in differentapertures.

For making round hooks the die G in the other end of the lever F isused, the said die G having more of a circular shape than the die G.

The bar from which the hook is to be formed is held on the bottom edgeof the lever F bya bolt passed through the eye and through a hole in thelever F, and held in place by a springcatch, N, or any other suitabledevice. lever F is pivoted adjustably in the stock A in the manner setforth.

A forked lever, O, is pivoted 011 the outside of the stock, and in itsprongs longitudinal slots 1? are formed, into which the ends of a shaft,Q, are passed, which shaft passes through vertical slots R in the prongsof the stock, as shown in Fig. 4.

A circular die, S, is mounted on the shaft Q between the prongs of thestock, which die S, as well as the die G, are provided each with aV-shaped or other groove, according to the cross-section of the bar fromwhich the hook is to be made. The bar is held on the bottom The ICO

edge of the lever F, and rests upon the circular die S, and the lever Fis swung over in the direction of the arrow 2), whereby the bar ispressed on the die G and is given the shape of a round hook. Then thelever Q is pressed upward to compress the end of the hook between thedies G and S, whereby the pointed or tapered end of the hook is made toconform to the shape of the die G.

The die G can also be changed for different sizes of hooks,and theleverF can be pivoted in different positions for different sizes of hooks.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is' I p y 1. In a machine for makingchain-hooks, the combination, with a forked stock, of a lever pivotedbetween the prongs of the stock, and of a die held on the pivoted end ofthe lever, substantially as herein shown and described.

2. In a machine for making chain-hooks, the combination, with a forkedstock, of a lever pivoted on the same, a die on the pivoted end of thelever, and devices for holding the eye of the hook on the lever,substantially as herein shown and described.

3. In a machine for making chain-hooks,

the combination, with a forked stock having the bottom of the recessshaped to conform to the shape of the bar from which the hook is to bemade, of a lever pivoted on the stock, and a die on the lever, the rimof the die being grooved to conform to the shape of the bar,substantially as herein shown and described.

4. In a machine for making chain-hooks, the combination, with a forkedstock, of a movable die in the same, a lever pivoted in the stock, and adie held on the pivoted end of the lever, substantially as herein shownand described.

- 5. In a machine for making chain-hooks,

